| Sonny Valicenti | ADT Serviceman |
| Jonathan Groff | Holden Ford |
| Holt McCallany | Bill Tench |
| Greg Harpold | Prison Guard - Reception #2 |
| Christopher Mann | Armstrong |
| Jack Erdie | Richard Speck |
| Hannah Gross | Debbie Mitford |
| Joe Tuttle | Gregg Smith |
| Anna Torv | Wendy Carr |
| Enid Graham | Mrs. Wade |
| Duke Lafoon | Detective Chambers |
| Cotter Smith | Unit Chief Shepard |
| Michael Park | Peter Dean |
| George R. Sheffey | John Boylen
(as George Sheffey) |
| David Breda | Inmate
(uncredited) |
| Peter Georgo | FBI Agent
(uncredited) |
| Jason Gerrard | Prison Guard
(uncredited) |
| Rich Rule | Prison Guard
(uncredited) |
| Paul Wallis | Maximum Security Inmate
(uncredited) |